Burkert Type 8045 - Manual (Page 66)

62
Maintenanceandtroubleshooting
9.5. If you encounter problems
9.5.1. resolution of problems when the device status leD is off
Device
status
leD current
output
Ao1 output Do1
and/or Do2
and/or Do3 message
displayed possible cause recommended action
OFF 0 mA low level "PWRFAIL" The supply voltage is too
low.
The device does not
function.
→
Check that the supply
voltage is between 18 and
36 V DC.
→
If the problem occurs again,
take contact with the retailer.
OFF 0 mA not switched - The device is not
energized.
→
Check the wiring.
→
Check the fuse of the
installation and replace it if
necessary.
→
Check that the installation is
not shut-down.
→
Check that the power source
is working properly.
9.5.2. resolution of problems without message generation but
device status leD on
Device
status leD current
output
Ao1 output Do1
and/or Do2
and/or Do3 problem recommended action
any colour 4-20 mA depending on
the thresholds
or switched
1)
Access to the Param-
eters and Test menus is
impossible.
→
Check the position of the "ENTER key
lock/unlock" switch. See chap. “7.3.3”.
any colour 0 mA depending on
the thresholds
or switched
1)
The current output
transmits 0 mA.
→
Check the wiring of the current output.
→
Check the fuse of the installation and
replace it if necessary.
→
Check the position of the sink/source
switch. See chap. “7.3.4”.
→
If the problem occurs again, take contact
with the retailer.
The current output
transmits a value
between 0 and 4 mA.
→
Switch the device power supply off then
on.
→
If the problem occurs again, take contact
with the retailer.
English
Type 8045